Leave a minimum of 2 mm around the rest of the document to avoid jamming. These two supply roll mandrels look identical, but they are not. Thanks for the great instructions. Clean one section of the rollers, then restore power and advance the rollers a little to clean the next section. The rollers, motor, circuit board, and LEDs are all visible now. If the item is not laying flat and smooth when it goes into the laminator, it cannot be expected to come out flat and smooth. 9.1) Shoes and rubber rollers (especially the laminating rollers) should be cleaned each time film is changed. If the The better news is that you never need experience that smell again. Open the rollers and leave them turning during warm up. Loosen both supply roll knobs until tension on the spring is released. Bubbles or silvering between film and paper. DO NOT use too much supply roll tension. My lamination film has ripples and waves in it. There are now ultra low-melt films which will adhere beautifully at about 200 degrees Fahrenheit. On a 25" machine with 3-mil film, two turns of tension on each knob should be about right. Make sure the film is threaded around both the top and the bottom idlers. Please contact us with any question or problem not covered here. If the defect is adhesive, see the section below on cleaning the rollers. But this should not cause problems with the lamination. 8.1) The squealing is caused by the taut film being pulled over the Teflon surface of the heat shoes. There are a few simple steps you can run through to troubleshoot most glitches that occur. Keep it flat against the feed tray. Fortunately, it's usually easy to fix. Never set your laminator hotter than 330 degrees Fahrenheit, and then only if you are using a standard 1.5-mil film. Never use any abrasive or solvent on the shoes. This should clean out any debris from the inside of the machine. Increase the temperature and run the laminating pouch through again. Any laminator needs a certain amount of resistance to the unwinding of the supply rolls so that the film lays flat as it goes into the nip of the laminating rollers. If the mandrels are in the correct position, but one is still slipping, the tooth which holds the supply roll core on the mandrel may be broken. Reply. With 3-mil and thicker films, never exceed 280 degrees Fahrenheit. Silvering is usually caused by too low an operating temperature. The lamination pouch, when sealed, is waterproof and protects the document from further deterioration and sun damage. It's unusual to need more than 5-6 turns of tension even on bigger laminators. Lamination uses a clear plastic film to cover and permanently bond both sides of an important document or photograph. Make sure to wear gloves or keep plenty of cloth between the shoe and your skin to avoid burns. Remove the sensor from the roller enclosure by unscrewing the two spring-loaded screws. Rubber feet in the four corners must be removed first to gain access to the screws underneath. **, Pouches / Pouch Laminators / Laminating Pouches / Carriers, Opti Film Low Melt School and Library Laminating Film, Comparing the Educator and Premier 4 Laminators. When laminating several documents, such as ID cards, always use a carrier card as this will help guide the items through the machine without a jam. Rubber feet in the four corners must be removed first to gain access to the screws underneath. Once the adhesive is heated and softened by the heat, disconnect power. You're right Frank. 1.3) Make sure the machine is up to temperature. The same is true when you stop after running continuously for a few minutes. If the laminating and pull rollers on your machine can be opened and closed, On an Educator or a Premier 4, look at the supply roll © 2020 iFixit — Licensed under Creative Commons — Privacy — Is there some resistance? There will always be someone who thinks that if 310 degrees is good for lamination, then 350 or 400 degrees would be better. Don't lift up on the back of the item. This is because the small amount of heat required to raise the temperature of the shoe up 30 degrees over room temperature would only require the heater to run for about 20 to 30 seconds, so when the heaters are on for the 2 minutes, and the shoe reaches that low set temperature, the extra BTU's traveling through the shoe will push the temperature a good 25 degrees over that lower set point. The circumference of the roller on a HD-25 is almost five inches. If squealing persists in spite of everything you try, the fault is probably with the film coating. It looks like a hazy or reflective area in the lamination. This symptom indicates that the supply roll mandrels have been reversed. Ross holds a performer's degree from the London Academy of Music and Dramatic Art. That heat continues to travel to the surface of the shoe. Check your roller opening/closing controls. 4.3) Silvering is caused by the capture of tiny bubbles of air. When cleaning is done regularly, it isn't a big chore. Terms — See section 1.1 above for advice on setting supply roll tension. The film should clarify just as soon as it hits the heated areas (the two black parts we call the shoes). The circumference of the laminating roller on a Premier or Educator is about Whenever you see those intervals on those machines, you will know there is something on the roller. Turning up the heat on your laminator will almost always fix this. Reply. From the point where each knob just begins to press on the spring, add the correct tension by half turns. 2.2) If you see serious wrinkling on both sides of both film and paper, the laminating rollers probably need to be closed and locked. 9.2) If there is no adhesive on the laminating rollers, they can likewise be wiped down with a damp cloth. 12/20/2016 Every once in a while, polyester suppliers send material to film makers which was coated for printing instead of being coated for lamination film. What we mean by wrinkling is creases or folding over of the film or paper. Educator are always closed and locked.). The process is simple, once the machine heats up, a document is placed in a lamination pouch and then run through the machine to seal it. When a large machine is warmed up without the motor on, one side of each laminating roller remains relatively cool. Likewise, the bottom mandrel should be on the right and should read "BOTTOM RIGHT." Very serious injuries can result when people try to clean a laminator when the power is on. Too little supply roll tension will cause bubbles before it will cause wrinkles in the film. Continue the process till the rollers are clean. He wrote and directed the film “After The Rain” as well as the play “Soweto's Burning.” He is a member of the Writers Guild Of America, the Screen Actors Guild and the American Federation of Television and Radio Artists. The indicator light should light up when the correct temperature has been reached. This teardown is not a repair guide. You may use Windex or some other water-based solution which will not leave a residue. 3.1) We see this symptom often enough that we decided to give it space by itself. Free access to the motor and rollers is now possible. You can sometimes spot these folks by the hot iron burn marks on their clothing. the pull rollers (this last item applies only to HD and Digital machines). Putting it back together is more of a challenge. 6.1) This is usually caused by too much heat, forgetting to turn on the fans, or forgetting to close and lock Always use one provided with your machine or the pouches. With the gears off, the plastic panel falls off and the rollers come out of the enclosure. Kate Quinn - The print receptive coating is slightly sticky, while the proper coating for polyester in laminating film is a slip coat or a hard coat. Do not laminate an item that is irreplaceable. All hot shoe laminators will overshoot the set temperature at initial warm-up and when pausing after a run. It is always a good idea to run 6-12 inches of film before inserting a new piece into the laminator when it has been sitting for over 5 minutes as the film that has been sitting on the shoe tends to cook causing the adhesive layer to gel and be less effective. Thank you for posting these instructions. Hold the roller enclosure from both sides, indicated by the markers, and pull upwards and slightly out. 7.1) This problem is all too common in locations such as schools, where untrained operators and passers by have access to the laminator. On HD machines, opening the laminating rollers offers access from the front. Never clean the machine unless power is disconnected. As soon as the rollers take the item, grasp the back corners and pull back and down on the item so the folds or wrinkles are pulled out and it is held flat against the feed tray going in. Check the temperature setting to make sure it is the same as the laminating pouch thickness you are using if the lamination job comes out of the machine with a wavy appearance. Reply. If you notice waves in your laminating film, turn down the heat and see if that fixes the problem. First unplug all three wire headers connected to the circuit board. The supply roll mandrels are interchangeable on these machines, but each mandrel has to be put in the film (supply roll) such that it can apply tension in the unwind direction. Squealing is usually eliminated by reducing supply roll tension and speeding up the machine. Bubbles can be captured in the same manner when the back of the item is lifted off the feed tray, or when the item is pushed too quickly as it is being fed. Reply. Ripples and waves are caused by either too much heat or bad silicon rollers. Thinner film needs less tension, thicker film needs more. Occasional shoe noise is normal on Ledco laminators (except ThermoGlide versions of the Digital machines). 2.1) Make sure you feed the item so that the leading edge is parallel to the laminating rollers. health. The heaters in the shoe stay on until the sensor in the shoe reads the set temperature.
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